PLATTSBURGH — William E. Hock, 97, of Oak Street, Plattsburgh, died Monday, Aug. 15, 2005, at the Clinton County Nursing Home.He was born in Brooklyn, N.Y., on Jan. 26, 1908, the son of Joseph and Teresa (Ehrhardt) Hock.Mr. Hock was a switchboard and elevator operator for River House Apartment Buildings in New York City for 26 years retiring in 1969 moving to Plattsburgh at that time.He was a member of St. John